{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["protein", "RNA", "cell type", "cell line", "DNA"], "input": "In extracts of induced, Il-2 secreting El4 cells three individual protein factors bind to TCEd DNA ."}
{"protein": ["Il-2", "protein factors"], "RNA": [], "cell type": [], "cell line": ["Il-2 secreting El4 cells"], "DNA": ["TCEd DNA"]}